fork(2) download
copy 
  1. #include <iostream>
  2. #include <cstdlib>
  3. #include <pthread.h>
  4.  
  5. using namespace std;
  6.  
  7. #define NUM_THREADS 2
  8.  
  9. int arr[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
  10.  
  11. void *splitLoop(void *threadid)
  12. {
  13.    long tid;
  14.    tid = (long)threadid;
  15.    //cout << "Hello World! Thread ID, " << tid << endl;
  16.    int start = (tid * 5);
  17.    int end = start + 5;
  18.    for(int i = start;i < end;i++){
  19.       cout << arr[i] << " ";
  20.    }
  21.    cout << endl;
  22.    pthread_exit(NULL);
  23. }
  24.  
  25. int main ()
  26. {
  27.    pthread_t threads[NUM_THREADS];
  28.    int rc;
  29.    int i;
  30.    for( i=0; i < NUM_THREADS; i++ ){
  31.       cout << "main() : creating thread, " << i << endl;
  32.       rc = pthread_create(&threads[i], NULL, 
  33.                           splitLoop, (void *)i);
  34.       if (rc){
  35.          cout << "Error:unable to create thread," << rc << endl;
  36.          exit(-1);
  37.       }
  38.    }
  39.    pthread_exit(NULL);
  40. }
Success #stdin #stdout 0s 19848KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
main() : creating thread, 0
main() : creating thread, 1
5 6 7 8 9 
0 1 2 3 4
https://ideone.com/KcsW4P
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!